Gravity Meter

Its shock resistance is supported by lightweight sensor based on temperature balanced quartz core. Stable measuring features are completed with advanced technology of signal processing. The detachable control unit allows to adjust the leveling and to observe the data quality during measurement. Applications:Oil & gas and mineral exploration, geological mapping, water management, civil engineering and geotechnical investigations, detection of cavities, archaeological studies.

AORVIS Dynamic Pvt Ltd delivers advanced Gravimeter Survey Services designed for accurate measurement of subsurface density variations using precise gravitational field analysis. Gravimetry provides a cost-effective, non-invasive geophysical method for mapping large and small-scale geological structures by detecting minute changes in the Earth's gravitational acceleration caused by density contrasts in the subsurface. Understanding Our Gravimetry Capabilities A gravimeter measures extremely small variations in the Earth's gravitational field. These changes occur when the EM waves encounter formations with different densities, such as voids, ore bodies, water-filled cavities, or buried rock structures. When the gravimeter records a gravity anomaly, advanced computational modeling converts this data into density distribution maps and depth interpretations. This enables high-resolution characterization of subsurface conditions without the need for intrusive drilling. Our gravimetry services leverage: High sensitivity instruments capable of detecting microgal-level variations High-resolution GPS precise leveling for terrain elevation correction Sophisticated processing algorithms (Bouguer Correction, Terrain Correction, Drift Correction, Tidal Effects Compensation) 3D subsurface modeling density inversion software Key Applications of Gravimeter Survey Gravimetry is a highly scalable method used across infrastructure, mining, energy, and environmental sectors, offering exceptional value for: Mineral Exploration Detection of dense ore bodies (iron, sulfides, manganese, bauxite, chromite) Groundwater Investigation Mapping aquifers through density contrast and basement depth estimation Cavity Void Detection Identification of sinkholes, karst features, tunnels, mine workings Oil Gas Exploration Basement depth estimation and structural mapping in sedimentary basins Geotechnical Engineering Surveys Subsurface density mapping for dams, bridges, tunnels high-load infrastructures Geological Mapping Fault identification, crustal studies, and lithological boundary delineation

SPECIFIC GRAVITY METER

The Micro Motion Gas Density and Specific Gravity Meters are the new industry standard for direct measurement of gas density, gas specific gravity, molecular weight, relative density, Calorific Value/BTU and Wobbe Index.

The CG-5 AUTOGRAV has a standard resolution of 1 microGalwith a standard deviation that is 5 microGals. It is the fastest,lightest, most cost efficient gravity meter on the market today.Easy to OperateWith minimal training a user can quickly collect and record reliable gravity data.Excellent Field RepeatabilityField repeatability tests are the best measure of a gravity meter s performance.Documented field tests of the CG-5 AUTOGRAV meters show a standard deviationbetween individual readings and station values of better than 5 microGals.Rugged, Robust Sensor, No Clamping RequiredThe sensing element of the CG-5 AUTOGRAV is based on a fused quartz spring system.The gravitational force on the proof-mass is balanced by a spring, and an electrostaticrestoring force. The inherent strength and excellent elastic properties of fused quartz,together with the limit stops around the proof-mass, permit the instrument to beoperated without clamping. Additional protection is provided by a durable shockmount system.Freedom from TaresDue to low mass and excellent elastic properties of fused quartz, tares are virtuallyunknown. Even after transport over rough roads and severe temperature shocks, theresidual drift is minimal. The CG-5 AUTOGRAV can withstand a shock up to 20 G andthe tare will be no more than 5 microGals.Fully PortableThe CG-5 AUTOGRAV incorporates the gravity sensor, control keypad, electronics, andbatteries into one lightweight weather resistant instrument case. No cables to trip over,no handheld devices, just an easy to use and carry, self-contained gravity meter.GPS Station ReferencingInternal GPS Receiver enables GPS station referencing from a 12 channel smart GPSantenna connected via the RS-232 port. Standard accuracy: 15m; DGPS (WAAS): 3m.Touch Free OperationThe CG-5 AUTOGRAV is equipped with a radio-frequency remote start transmitter(keyfob) to allow measurement to be taken without disturbing the meter by touch.Automatic Compensation and CorrectionBy using the electronic tilt sensors, the CG-5 AUTOGRAV is constantly updatinginformation from the internal tilt sensors. The CG-5 AUTOGRAV can automaticallycompensate measurements for the errors in instrument tilt. This operator selectablefeature ensures that when measurements are taken on unstable ground, errors dueto instrument movement are automatically eliminated. Based on operator enteredgeographical location and time zone data or GPS information, the CG-5 AUTOGRAVcan automatically calculate and apply a real time tidal correction to each reading.

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